[Reven] recently wrote in to tell us about the Arduino light painter he put together ... Not only does he include a detailed Bill of Materials and the STL files so you can build your own version ...

That accomplished, he naturally decides to squeeze it into an Arduino Uno with only 2K of RAM ... No problem, [Thanassis] writes his own minimalist STL and implements several memory-saving ...

Panikulam has kindly made all the STL files available for the 3D printed parts allowing you to create your very own if desired. Panikulam explains more about the inspiration behind the Arduino pen ...

Using an Arduino Mega microcontroller ... Kindly, the creator has published all the required 3D printing STL files, allowing you to easily recreate your very own if you have access to a 3D ...